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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/ozone/platform/flatland/flatland_gpu_host.h"
#include <inttypes.h>
#include <utility>
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/task/single_thread_task_runner.h"
#include "mojo/public/cpp/system/message_pipe.h"
#include "ui/ozone/platform/flatland/flatland_window.h"
#include "ui/ozone/platform/flatland/flatland_window_manager.h"
#include "ui/ozone/platform/flatland/mojom/scenic_gpu_host.mojom.h"
#include "ui/ozone/platform/flatland/mojom/scenic_gpu_service.mojom.h"
namespace {
using BinderCallback =
base::RepeatingCallback<void(const std::string&,
mojo::ScopedMessagePipeHandle)>;
template <typename Interface>
void BindInterface(mojo::PendingReceiver<Interface> receiver,
const BinderCallback& binder_callback) {
binder_callback.Run(Interface::Name_, receiver.PassPipe());
}
} // namespace
namespace ui {
FlatlandGpuHost::FlatlandGpuHost(FlatlandWindowManager* flatland_window_manager)
: flatland_window_manager_(flatland_window_manager) {
}
FlatlandGpuHost::~FlatlandGpuHost() {
Shutdown();
}
void FlatlandGpuHost::Initialize(
mojo::PendingReceiver<mojom::ScenicGpuHost> host_receiver) {
DCHECK_CALLED_ON_VALID_THREAD(ui_thread_checker_);
host_receiver_.Bind(std::move(host_receiver));
}
void FlatlandGpuHost::Shutdown() {
DCHECK_CALLED_ON_VALID_THREAD(ui_thread_checker_);
host_receiver_.reset();
gpu_receiver_.reset();
gpu_service_.reset();
}
void FlatlandGpuHost::AttachSurfaceToWindow(
int32_t window_id,
mojo::PlatformHandle surface_view_holder_token_mojo) {
DCHECK_CALLED_ON_VALID_THREAD(ui_thread_checker_);
FlatlandWindow* flatland_window =
flatland_window_manager_->GetWindow(window_id);
if (!flatland_window)
return;
fuchsia::ui::views::ViewportCreationToken surface_view_holder_token;
surface_view_holder_token.value =
zx::channel(surface_view_holder_token_mojo.TakeHandle());
flatland_window->AttachSurfaceContent(std::move(surface_view_holder_token));
}
void FlatlandGpuHost::OnChannelDestroyed(int host_id) {}
void FlatlandGpuHost::OnGpuServiceLaunched(
int host_id,
GpuHostBindInterfaceCallback binder,
GpuHostTerminateCallback terminate_callback) {
DCHECK_CALLED_ON_VALID_THREAD(ui_thread_checker_);
mojo::PendingRemote<mojom::ScenicGpuService> flatland_gpu_service;
BindInterface(flatland_gpu_service.InitWithNewPipeAndPassReceiver(), binder);
gpu_receiver_.reset();
gpu_service_.reset();
gpu_service_.Bind(std::move(flatland_gpu_service));
gpu_service_->Initialize(gpu_receiver_.BindNewPipeAndPassRemote());
}
} // namespace ui
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